Push switch



FIG. 1 is a top perspective view of a push switch showing an upper surface with front and right side surfaces;

FIG. 2 is a bottom perspective view thereof showing a bottom surface with rear and left side surfaces;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a left side view thereof, a right side view being a mirror image of FIG. 7.

The broken lines shown depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a push switch, as shown and described. 